EP2245909A1 - Dispositif de commande d'une lampe à décharge - Google Patents

Dispositif de commande d'une lampe à décharge

Info

Publication number
EP2245909A1
EP2245909A1 EP09711384A EP09711384A EP2245909A1 EP 2245909 A1 EP2245909 A1 EP 2245909A1 EP 09711384 A EP09711384 A EP 09711384A EP 09711384 A EP09711384 A EP 09711384A EP 2245909 A1 EP2245909 A1 EP 2245909A1
Authority
EP
European Patent Office
Prior art keywords
starter
control device
electronic
terminals
programming
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP09711384A
Other languages
German (de)
English (en)
Inventor
Marcel Beij
Gerardus M.O. DE MILLIANO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Priority to EP09711384A priority Critical patent/EP2245909A1/fr
Publication of EP2245909A1 publication Critical patent/EP2245909A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/02—Details
    • H05B41/04—Starting switches
    • H05B41/042—Starting switches using semiconductor devices
    • H05B41/044—Starting switches using semiconductor devices for lamp provided with pre-heating electrodes
    • H05B41/046—Starting switches using semiconductor devices for lamp provided with pre-heating electrodes using controlled semiconductor devices

Definitions

  • the present invention relates in general to the switching of discharge lamps.
  • FIG. 1 is a schematic block diagram, illustrating such conventional EM ballast 1 for a lamp 2.
  • the ballast 1 of this example comprises an inductor L and a capacitor C in series with the lamp 2 to be driven, and a mechanical switch S in parallel to the lamp, typically of a bimetal design.
  • the ballast 1 further has input terminals 3 for connection to mains, typically 230 V 50 Hz voltage in
  • Lamp connector terminals are indicated at 4.
  • the lamp can only be switched ON and OFF by switching the mains.
  • FIG. 1 is a schematic block diagram, illustrating such ballast 10.
  • the mechanical switch S has been replaced by an electronic switching circuit 20.
  • This electronic switching circuit 20 comprises a full- wave rectifier 21 (shown as a four-diode bridge) having input terminals 22, 23 connected in parallel to the lamp 2, and having a positive output terminal 24 an a negative output terminal 25.
  • the electronic switching circuit 20 further comprises an electronic switch 26, shown as a MOSFET, connected between the positive and negative terminals 24, 25.
  • the electronic switching circuit 20 further comprises a control device 28, having a control output connected to the control terminal of the switch 26.
  • the control device 28 may derive its power from the terminals 24, 25, or may derive its power from an external circuit (not shown).
  • the control device 28 may be responsive to external command signals, transmitted over an external circuit (not shown), via a wired or wireless link, e.g. RF.
  • the switch 26 In normal operation, the switch 26 is non-conductive. Assume that the lamp is OFF. If the control device 28 wishes to switch ON the lamp 2, it generates a control signal for the switch 26 such as to render the switch 26 conductive. As a consequence, a current will start flowing through the inductor L, charging the capacitor C. After some time, the control device 28 renders the switch 26 non-conductive again. Current flowing in the inductor L will continue to flow, increasing the voltage over the capacitor C, which voltage is present over the lamp terminals. If the voltage exceeds the lamp ignition voltage, the lamp will ignite. For allowing the control device 28 to implement a correct timing of the switching, the control device 28 inter alia receives a signal indicating momentary current magnitude from a current sensor.
  • such current sensor is implemented as a diode 27 coupled in series with the switch 26.
  • the measuring signal i.e. the voltage developed over the diode, is communicated to the control device 28 via a signal line that is not shown for sake of simplicity.
  • the standard mechanical switch S is implemented in a cylindrical housing 30 having two projecting terminals 31, 32 with T-shaped cross-section in one end face 33, as schematically illustrated in figure 3, while a lamp armature is provided with a starter socket 35 comprising two socket openings 36, 37 for receiving the starter terminals 31, 32.
  • an electronic switching circuit may also be accommodated in such housing 30, with the input terminals 22, 23 connected to the starter terminals 31, 32. For sake of convenience, this will be indicated as an electronic starter.
  • An electronic switching circuit is typically designed to match a certain lamp type.
  • the behavior of the control device 28 is adapted to parameters of, among others, the lamp and the combination of inductor L and capacitor C.
  • the control device 28 comprises a microcontroller with a memory, and the control behavior is defined by control parameters stored in such memory.
  • control parameters may be independent of a certain lamp, or may be adapted to match a certain lamp.
  • control parameters are stored in the memory upon manufacture of the electronic switching circuit.
  • the memory of the control device may contain information such as an address, a name, software version, production date, etc, and it is desirable to be able to change such information later. Especially, it is desirable to be able to change the software of the control device.
  • the present invention provides additional connector terminals on the housing of the electronic starter, which connector terminals are suitably coupled to suitable terminals of the control device (microcontroller) for enabling communication to the control device, particularly reprogramming of the control device and/or amending parameters in the memory of the control device.
  • the control device microcontroller
  • these additional connector terminals may in principle be located anywhere on the starter housing, it is preferred that these terminals are located in the same housing face as the input terminals. In that case, these additional terminals are automatically shielded when the starter is mounted, while further the T-shaped input terminals can be used to assist for coupling to a programming device.
  • figure 1 is a schematic block diagram illustrating a conventional EM ballast with a mechanical switch
  • figure 2 is a schematic block diagram illustrating an EM ballast with a controllable semiconductor switch
  • figure 3 is a schematic perspective view of a common mechanical starter housing and corresponding socket
  • figure 4 is a schematic perspective view of an embodiment of a starter housing according to the present invention
  • figure 5 is a schematic block diagram illustrating an electronic circuit in the starter housing of figure 4
  • figure 6 is a schematic perspective view of a programming tool.
  • FIG 4 is a schematic perspective view of a possible embodiment of an electronic starter 100 according to the present invention.
  • This starter 100 comprises a cylindrical housing 130, with a cylindrical side wall 135, a first end face 133 (also indicated as bottom face), and a second end face 134 (also indicated as top face) opposite the bottom face.
  • the starter 100 further comprises two main input connector terminals 131, 132 having a generally T-shaped contour in longitudinal section, projecting externally from the bottom face 133.
  • each main input connector terminal 131, 132 comprises a pin 136 of substantially circular cross-section extending substantially perpendicularly from the bottom face 133, and a head 137 of substantially circular cross-section and having a diameter larger than the diameter of the pin 136 arranged at the free end of the pin 136 opposite the bottom face 133.
  • the starter 100 further comprises a communication connector 140 arranged in the bottom face 133, having a plurality of communication terminals 141 that are distinct from the main input connector terminals 131, 132, i.e. electrically insulated from these main input connector terminals.
  • the communication connector 140 comprises three such communication terminals 141, but this number is shown for illustrative purposes rather than restrictive purposes.
  • the communication terminals 141 may be arranged in any suitable array; in the preferred embodiment shown, the communication terminals 141 are arranged in a linear array perpendicular to the line connecting the main input connector terminals 131, 132.
  • the implementation of the communication terminals 141 is not critical, and can be designed suitably by any person skilled in the art in accordance with his liking. However, in order not to interfere with the normal connectivity of the starter 100 in any type of common socket 35, the communication terminals 141 preferably do not, or only to a negligible extent, project outwards from the bottom face 133.
  • the communication terminals 141 are implemented as a ball-grid terminal, a female bush terminal, or a flat contact flush with or recessed in the bottom face 133.
  • the communication terminals 141 may mutually be identical, it is also possible that they are mutually implemented in a different way.
  • FIG. 5 is a block diagram of the electronic starter 100, illustrating that the starter 100 comprises an electronic switching circuit 150 arranged in the housing 130.
  • This electronic switching circuit 150 comprises a rectifier 160 having its input terminals 161, 162 connected to the main input connector terminals 131, 132, and a controllable switch 170 connected between output terminals 163, 164 of the rectifier 160.
  • the electronic switching circuit 150 further comprises a control device 180, for instance a microcontroller or microprocessor, having a control output terminal 181 coupled to a control input of the switch 170, shown as a MOSFET.
  • the control device 180 may have power input terminals coupled to the output terminals 163, 164 of the rectifier 160 for receiving power, but this is not shown for sake of convenience.
  • the control device 180 further has programming input terminals 182 connected to the communication terminals 141. For instance, two of these programming input terminals 182 may be used for supplying low voltage power (e.g. 2 V) to the control device 180, while a third one of these programming input terminals 182 may be used for supplying data signals to the control device 180. It is possible that a fourth terminal of the control device is connected to a fourth communication terminal for outputting data signals; however, if it is desirable that data can be read from the control device 180, it is also possible that one 2-way data terminal is used allowing both read and write. In normal operation, the electronic starter 100 is mounted in a starter socket
  • the electronic starter 100 is taken from starter socket 35 so that the communication terminals 141 become accessible. Programming may be done by, for instance, a PC with a suitable connector.
  • the present invention also provides a specially adapted programming tool 200.
  • FIG. 6 is a schematic perspective view of this programming tool 200, showing the front side (lefthand side of the drawing) and back side (righthand side of the drawing).
  • the tool 200 comprises a box-shaped housing 310 with a front surface 311, a rear surface 312, and a top surface 313.
  • a power source for the tool 200 may be a battery 314 located in the housing.
  • the front surface 311 has control buttons 315.
  • the rear surface 312 has programming contacts 316 adapted for contacting the communication terminals 141.
  • An electronic circuit (not shown), located within the housing 310, is connected to these programming contacts 316.
  • the housing 310 has two mutually parallel guiding channels 321 and 322 formed in the rear surface 312, each guiding channel having a T-shaped cross-section matching the cross-section of the main starter input connector terminals 131, 132, and each extending from the top surface 313 to a position close to the programming contacts 316.
  • the main input connector terminals 131, 132 are inserted in these guiding channels 321, 322, and the starter 100 is moved downwards until the terminals 131, 132 abut the respective ends 323, 324 of the guiding channels 321, 322.
  • the starter 100 When the starter 100 is in this position defined by the ends 323, 324 of the guiding channels 321, 322, which will be indicated as a programming position, the communication terminals 141 are aligned with and in contact with the programming contacts 316. It is not necessary for the user to hold on to the starter 100, because the shape of the guiding channels 321, 322 assures that the main starter input connector terminals 132, 132 are held firmly. After the starter 100 has been (re-)programmed, the starter 100 is disconnected simply by shifting the starter towards the top surface 313.
  • an electronic starter 100 comprising a housing 130 with a bottom face 133 and main input connector terminals
  • the starter further comprises an electronic switching circuit 150 arranged in the housing 130, the electronic switching circuit 150 comprising: a controllable switch 170, and - a control device 180 having a control output terminal 181 coupled to a control input of the switch 170.
  • the electronic circuit in the starter 100 may differ from the circuit shown and discussed. Especially, embodiments are possible in which the rectifier is omitted. Further, it should be clear that the exact implementation of the electronic circuit of the programming tool (200) is not important.
  • a computer program may be stored/distributed on a suitable medium, such as an optical storage medium or a solid-state medium supplied together with or as part of other hardware, but may also be distributed in other forms, such as via the Internet or other wired or wireless telecommunication systems. Any reference signs in the claims should not be construed as limiting the scope. In the above, the present invention has been explained with reference to block diagrams, which illustrate functional blocks of the device according to the present invention.
  • one or more of these functional blocks may be implemented in hardware, where the function of such functional block is performed by individual hardware components, but it is also possible that one or more of these functional blocks are implemented in software, so that the function of such functional block is performed by one or more program lines of a computer program or a programmable device such as a microprocessor, microcontroller, digital signal processor, etc.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

L'invention concern un starter électronique (100) qui comprend: un boîtier (130) présentant un fond (133) et des bornes de connexion au secteur (131, 132) protubérantes; un circuit électronique de commutation(150) placé dans le boitier (130), Le circuit électronique de commutation (150) comporte: un commutateur (170) et un dispositif de commande (180) muni d'une borne de commande de sortie (181) couplée à la borne de commande d'entrée du commutateur (170). Le dispositif de commande (180) présente en outre des bornes de sortie de programmation (182). Le boîtier (130) comporte de plus un connecteur de communication (140) muni de bornes de communication (141) connectées aux bornes de sortie de programmation (182) du dispositif de commande (180).
EP09711384A 2008-02-14 2009-02-05 Dispositif de commande d'une lampe à décharge Withdrawn EP2245909A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09711384A EP2245909A1 (fr) 2008-02-14 2009-02-05 Dispositif de commande d'une lampe à décharge

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP08151435 2008-02-14
PCT/IB2009/050475 WO2009101554A1 (fr) 2008-02-14 2009-02-05 Dispositif de commande d'une lampe à décharge
EP09711384A EP2245909A1 (fr) 2008-02-14 2009-02-05 Dispositif de commande d'une lampe à décharge

Publications (1)

Publication Number Publication Date
EP2245909A1 true EP2245909A1 (fr) 2010-11-03

Family

ID=40524786

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09711384A Withdrawn EP2245909A1 (fr) 2008-02-14 2009-02-05 Dispositif de commande d'une lampe à décharge

Country Status (5)

Country Link
US (1) US20110025226A1 (fr)
EP (1) EP2245909A1 (fr)
JP (1) JP2011512621A (fr)
CN (1) CN101946564A (fr)
WO (1) WO2009101554A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6207587B2 (ja) 2012-04-04 2017-10-04 フィリップス ライティング ホールディング ビー ヴィ Ｌｅｄドライバのプロセッサの外部プログラミングのための装置及び方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3047367A1 (de) * 1979-12-21 1981-09-17 Mitsubishi Denki K.K., Tokyo Starter-schalter fuer eine leuchtstofflampe
DE4421736C2 (de) * 1994-06-22 1998-06-18 Wolfgang Nuetzel Steuerbare Lichtanlage
US5708330A (en) * 1995-09-19 1998-01-13 Beacon Light Products, Inc. Resonant voltage-multiplication, current-regulating and ignition circuit for a fluorescent lamp
US5736817A (en) * 1995-09-19 1998-04-07 Beacon Light Products, Inc. Preheating and starting circuit and method for a fluorescent lamp
US5854542A (en) * 1996-08-30 1998-12-29 Acres Gaming Incorporated Flashing and diming fluorescent lamps for a gaming device
US6392364B1 (en) * 1999-06-21 2002-05-21 Denso Corporation High voltage discharge lamp apparatus for vehicles
JP2004506297A (ja) * 2000-08-08 2004-02-26 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 高圧放電ランプ
US6359387B1 (en) * 2000-08-31 2002-03-19 Philips Electronics North America Corporation Gas-discharge lamp type recognition based on built-in lamp electrical properties
US7164238B2 (en) * 2001-11-14 2007-01-16 Astral Communications, Inc. Energy savings device and method for a resistive and/or an inductive load and/or a capacitive load
NZ534330A (en) * 2002-02-19 2006-08-31 Access Business Group Int Llc Removable closure assembly for a water treatment system
US7560867B2 (en) * 2006-10-17 2009-07-14 Access Business Group International, Llc Starter for a gas discharge light source

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009101554A1 *

Also Published As

Publication number Publication date
WO2009101554A1 (fr) 2009-08-20
CN101946564A (zh) 2011-01-12
US20110025226A1 (en) 2011-02-03
JP2011512621A (ja) 2011-04-21

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